Advertising-machine.



Patented July 31, 1917.

3 SHEETSSHEET 1.

H. M. WOOD.

ADVERTlSiNG MACHINE. APPLICATION FILED MAY 28. was.

Patented J my 31; 1917.

a SHEETSSHT 2.

hum/rm A TTORA/EVS H. M. WOOD.

ADVERTISING MACHINE.

APPLICATION FILED MAY28.1915.

11,35AQ8. Patented July 31,1917.

3 SHEETSSHET 3.

WWII/885 Mm Z6 rnrnwr .onrcn.

ADVERTISING-MACHINE.

Specification of Letters ratent. Patented J uly 31, 1917.

Application filed May 28, 1915. Serial No. 30,924.

To all whom it may concern:

Beit known that I, HALBERT M. WOOD, a citizen of the United States, and a resident of Nashville, in the county of Davidson and State of Tennessee, have made certain new and useful Improvements in Advertising- Machines, of which the following is a specification.

My invention relates to improvements in advertising machines, and it consists in the combinations, constructions and arrangements hereinafter described and claimed.

Anobject of my invention is to provide a device which will automatically bring a series of slides orwplates into operative position for projection successively at intervals.

A further obje ct of my invention is to provide a device of the type described comprising an endless chain upon which the plates are suspended with means for moving the chain intermittently, and for stopping the same in its movement when the plates have been brought into operative position, and for again starting the movement of'the machine so as to bring another plate in a position for projection.

A further object of my invention is to provide a device oflthe type described in which means is provided for starting the operation of the device at any predetermined time and for stopping the device at any other predetermined time.

A further object of my invention is to provide novel means for effecting the intermittent operation of the endless chain. so that the plates or slides may be quickly shifted from one position to another and allowed to remain a suflicient length of time for projection and for permitting the removal of plates or slide s and the substitution of other plates or slides during the interval of rest.

Other objects and advantages will appear in the following specification, and the novel features of the invention will be particularly pointed out in the appended claims.

My invention is illustrated in the accompanying drawings forming part of this ap-' plication, in which,

Figure 1 is a perspective view of the device, one of the side doors of the device being open to show the interior mechanism.

Fig. 2 is a diagrammatic view of the elec tric circuits.

Fig. 3 is a vertical section through the device.

' Fig. 4 is an enlarged detailed view of the starting and stopping means.

Fig. 5 is a. perspective view showing the means of attaching a slide holder to the endless chain.

Fig. 6 is a section on the line 6-6 of Fig. 3.

Fig. 7 is a detailed view showing a portlon of the actuating mechanism.

ig. 8 is a view similar to Fig. 7 showing the actuating mechanism in a different position, and,

Fig. 9 is a view showing the actuating mechanism in a third position.

In carrying out my invention I provide a casing or cabinet 1, which is providedwithlegs 2 so as to raise the cabinet from the floor. On the opposite side of the cabinet are doors, such as those shown at 3 and 4, respectively, these doors being preferably of such extent as to expose the interior of the cabinet from top to bottom, in order to permit access to the parts contained therein. At the top of the cabinet is a hinged cover 5, which is arched so as to accommodate a portion of the interior mechanism.

Horizontal partitions 6 and 7 are provided which extend across the cabinet, and which divide the latter into an upper compartment, :1 central compartment and a lower bottomless compartment. Between the partition 6 and the upper frame members 8 of the cabinet are uprights 9, whose purpose will be explained later.

Secured to the front portion of the cabinet or casing is a cross member 10 upon which are mounted forwardly projecting guide rods 11 for the bellows-fra1ne 12, the latter bearing a lens tube 13. This bellows is arranged to register with an opening 1 in the front of the casing 1, as shown in Fig. 3.

Disposed within the interior of the casing 1 is the lamp house 14. Secured to the front portion thereof is the compound lens 15. For projecting purposes I prefer to use an electric light, and this light is shown at 16, the same being held in the bottom of the lamp house as shown in Fig. 3.

In order to support the plates I provide an endless carrier which comprises a shaft 17 upon which are mounted the two sprocket wheels 18 and 19. The ends of the shaft 17 are journaled in the uprights 9-see Fig.

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and also to the motor M; The revolution of the latter will cause the rotation of the cam shaft 44' and therefore of the cam 45. In 6 the cam roller is shown in its lowest position, i. e., in that position in which a slide for a plate is immediately in front of the lens 15 and therefore in position to be projected upon a screen 59.

As the motor continues to revolve the cam 15 will be moved from theposition shown in Fig. 7 to that shown in Fig. 8 and this will cause the lift rod 24 to lift the arm 22 so as to bring the pawl 23 into position to engage another tooth on the ratchet 20. As soon, however, as the cam passes its position shown in Fig. 8, the spring 46 pulls downwardly on the arm 22, thereby causing the pawl 23 to engage the ratchet 20 and to turn the sprocket wheels so as to cause a movement of the endless chains and the shifting of the carriers. In order to limit this downward movement and to stop the carriers at a point which will bring one of the plates in registration with the opening 1". I provide the stop arms 34 on the Wheel 18. as before stated, these stop arms engaging the stop member 32. On the next upward movement of the lift rod 24, the stop .member 32 is moved out of the path of the arm or pin 34, thus permitting the revolution of the sprocket wheel. It will be seen that the plates will be moved intermittently. If it is desirable to change the plates during the operation of the device this can be done very readily, because the period of rest while the picture or inscription is projected is of sufficient duration to enable the operator to insert a slide or plate in the carrier 28 in a manner shown in Fig. 1.

Now when the time arrives for the dos ing of the exhibition the alarm mechanism of the stopping clock 48 will be operated, and this will cause a pull on the chain, which is connected with the switch S, thus cutting off the current from the light 16.

It will be seen that I have provided a device by means of which pictures or advertising matter of any kind may be projected in succession for a predetermined period without the necessity of the attendance of an operator. I

The device is compact and takes up a comparatively small space and is not liable to easily get out of order.

I am aware that other devices based on th same general plan might be constructed, but I consider as my own, all modifi ations as fairly fall within the spirit and the scope of the invention.

I claim 1. In an advertising device, a casing pro vided with a light opening, a shaft journaled in said casing, a pair of sprocketeach sprocket wheel, means connecting said chains together, a series of plate bearing frames pivot-ally suspended from said chain connecting means, means for guiding said frames past said light opening, means for intermittently operating said shaft and means for stopping the movement of said shaft when one of the plates is in exact registration with said opening, said intermittent operating means and said stopping means being disposed within said guiding means.

3. In an advertising device, a casing provided with a light opening, an endless carrier arranged for movement in a vertical direction. a series of plate bearing frames pivotally suspended from said endless carrier, a guide member comprising a U-shaped plate having one portion disposed near the front wall of the casing and another portion disposed near th rear wall, the space between the guide member and the casing walls forming front and rear guideways for said plate bearing frames, and means disposed within said U-shaped guide member for intermittently operating the endless carrier.

4. In an advertising device, a casing provided with a light opening, an endless carrier, aseries of plate bearing frames pivot ally suspended from said endless carrier, a U-shaped guide member cooperating with the front wall of said casing for guiding said pivoted plate bearing frames, the upper portion of said guide member being curved, whereby the lower edge of the pivoted frames are guided successively into the space between the guide member and the front wall of the casing, and means dis posed within the U-shaped guide member for intermittently moving said endless carrier and for causing the stopping of the latter when a plate is in registration with the light opening. g p

HALBERT M. WOOD.

-Witnesses:

J. J. CLENDENING,

J. M. LOWRANCE. 

